js/functions.js

   1 var loading_progress = 0;
   2 var sanity_check_done = false;
   3 var init_params = {};
   4 var _label_base_index = -1024;
   5 var notify_hide_timerid = false;
   6
   7 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
   8         function (callOriginal, options) {
   9
  10                 if (getInitParam("csrf_token") != undefined) {
  11                         Object.extend(options, options || { });
  12
  13                         if (Object.isString(options.parameters))
  14                                 options.parameters = options.parameters.toQueryParams();
  15                         else if (Object.isHash(options.parameters))
  16                                 options.parameters = options.parameters.toObject();
  17
  18                         options.parameters["csrf_token"] = getInitParam("csrf_token");
  19                 }
  20
  21                 return callOriginal(options);
  22         }
  23 );
  24
  25 /* add method to remove element from array */
  26
  27 Array.prototype.remove = function(s) {
  28         for (var i=0; i < this.length; i++) {
  29                 if (s == this[i]) this.splice(i, 1);
  30         }
  31 };
  32
  33 /* create console.log if it doesn't exist */
  34
  35 if (!window.console) console = {};
  36 console.log = console.log || function(msg) { };
  37 console.warn = console.warn || function(msg) { };
  38 console.error = console.error || function(msg) { };
  39
  40 function exception_error(location, e, ext_info) {
  41         var msg = format_exception_error(location, e);
  42
  43         if (!ext_info) ext_info = false;
  44
  45         try {
  46
  47                 if (ext_info)
  48                         ext_info = JSON.stringify(ext_info);
  49
  50                 try {
  51                         new Ajax.Request("backend.php", {
  52                                 parameters: {op: "rpc", method: "log", logmsg: msg},
  53                                 onComplete: function (transport) {
  54                                         console.log(transport.responseText);
  55                                 } });
  56
  57                 } catch (eii) {
  58                         console.log("Exception while trying to log the error.");
  59                         console.log(eii);
  60                 }
  61
  62                 msg += "<p>"+ __("The error will be reported to the configured log destination.") +
  63                         "</p>";
  64
  65                 var content = "<div class=\"fatalError\">" +
  66                         "<pre>" + msg + "</pre>";
  67
  68                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  69                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  70
  71                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  72                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  73
  74                 if (ext_info) {
  75                         content += "<div><b>Additional information:</b></div>" +
  76                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  77                 }
  78
  79                 content += "<div><b>Stack trace:</b></div>" +
  80                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  81
  82                 content += "</form>";
  83
  84                 content += "</div>";
  85
  86                 content += "<div class='dlgButtons'>";
  87
  88                 content += "<button dojoType=\"dijit.form.Button\""+
  89                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  90                                 __('Report to tt-rss.org') + "</button> ";
  91                 content += "<button dojoType=\"dijit.form.Button\" "+
  92                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  93                                 __('Close') + "</button>";
  94                 content += "</div>";
  95
  96                 if (dijit.byId("exceptionDlg"))
  97                         dijit.byId("exceptionDlg").destroyRecursive();
  98
  99                 var dialog = new dijit.Dialog({
 100                         id: "exceptionDlg",
 101                         title: "Unhandled exception",
 102                         style: "width: 600px",
 103                         report: function() {
 104                                 if (confirm(__("Are you sure to report this exception to tt-rss.org? The report will include information about your web browser and tt-rss configuration. Your IP will be saved in the database."))) {
 105
 106                                         document.forms['exceptionForm'].params.value = $H({
 107                                                 browserName: navigator.appName,
 108                                                 browserVersion: navigator.appVersion,
 109                                                 browserPlatform: navigator.platform,
 110                                                 browserCookies: navigator.cookieEnabled,
 111                                                 ttrssVersion: __ttrss_version,
 112                                                 initParams: JSON.stringify(init_params),
 113                                         }).toQueryString();
 114
 115                                         document.forms['exceptionForm'].submit();
 116
 117                                 }
 118                         },
 119                         content: content});
 120
 121                 dialog.show();
 122
 123         } catch (ei) {
 124                 console.log("Exception while trying to report an exception. Oh boy.");
 125                 console.log(ei);
 126                 console.log("Original exception:");
 127                 console.log(e);
 128
 129                 msg += "\n\nAdditional exception caught while trying to show the error dialog.\n\n" +  format_exception_error('exception_error', ei);
 130
 131                 try {
 132                         new Ajax.Request("backend.php", {
 133                                 parameters: {op: "rpc", method: "log", logmsg: msg},
 134                                 onComplete: function (transport) {
 135                                         console.log(transport.responseText);
 136                                 } });
 137
 138                 } catch (eii) {
 139                         console.log("Third exception while trying to log the error! Seriously?");
 140                         console.log(eii);
 141                 }
 142
 143                 msg += "\n\nThe error will be reported to the configured log destination.";
 144
 145                 alert(msg);
 146         }
 147
 148 }
 149
 150 function format_exception_error(location, e) {
 151         var msg;
 152
 153         if (e.fileName) {
 154                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 155
 156                 msg = "Exception: " + e.name + ", " + e.message +
 157                         "\nFunction: " + location + "()" +
 158                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 159
 160         } else if (e.description) {
 161                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 162         } else {
 163                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 164         }
 165
 166         console.error("EXCEPTION: " + msg);
 167
 168         return msg;
 169 }
 170
 171 function param_escape(arg) {
 172         if (typeof encodeURIComponent != 'undefined')
 173                 return encodeURIComponent(arg);
 174         else
 175                 return escape(arg);
 176 }
 177
 178 function param_unescape(arg) {
 179         if (typeof decodeURIComponent != 'undefined')
 180                 return decodeURIComponent(arg);
 181         else
 182                 return unescape(arg);
 183 }
 184
 185 function notify_real(msg, no_hide, n_type) {
 186
 187         var n = $("notify");
 188
 189         if (!n) return;
 190
 191         if (notify_hide_timerid) {
 192                 window.clearTimeout(notify_hide_timerid);
 193         }
 194
 195         if (msg == "") {
 196                 if (n.hasClassName("visible")) {
 197                         notify_hide_timerid = window.setTimeout(function() {
 198                                 n.removeClassName("visible") }, 0);
 199                 }
 200                 return;
 201         }
 202
 203         /* types:
 204
 205                 1 - generic
 206                 2 - progress
 207                 3 - error
 208                 4 - info
 209
 210         */
 211
 212         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
 213
 214         if (n_type == 2) {
 215                 msg = "<span><img src='images/indicator_white.gif'></span>" + msg;
 216                 no_hide = true;
 217         } else if (n_type == 3) {
 218                 msg = "<span><img src='images/alert.png'></span>" + msg;
 219         } else if (n_type == 4) {
 220                 msg = "<span><img src='images/information.png'></span>" + msg;
 221         }
 222
 223         msg += " <span><img src=\"images/cross.png\" class=\"close\" title=\"" +
 224                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
 225
 226         n.innerHTML = msg;
 227
 228         window.setTimeout(function() {
 229                 // goddamnit firefox
 230                 if (n_type == 2) {
 231                 n.className = "notify notify_progress visible";
 232                         } else if (n_type == 3) {
 233                         n.className = "notify notify_error visible";
 234                         msg = "<span><img src='images/alert.png'></span>" + msg;
 235                 } else if (n_type == 4) {
 236                         n.className = "notify notify_info visible";
 237                 } else {
 238                         n.className = "notify visible";
 239                 }
 240
 241                 if (!no_hide) {
 242                         notify_hide_timerid = window.setTimeout(function() {
 243                                 n.removeClassName("visible") }, 5*1000);
 244                 }
 245
 246         }, 10);
 247
 248 }
 249
 250 function notify(msg, no_hide) {
 251         notify_real(msg, no_hide, 1);
 252 }
 253
 254 function notify_progress(msg, no_hide) {
 255         notify_real(msg, no_hide, 2);
 256 }
 257
 258 function notify_error(msg, no_hide) {
 259         notify_real(msg, no_hide, 3);
 260
 261 }
 262
 263 function notify_info(msg, no_hide) {
 264         notify_real(msg, no_hide, 4);
 265 }
 266
 267 function setCookie(name, value, lifetime, path, domain, secure) {
 268
 269         var d = false;
 270
 271         if (lifetime) {
 272                 d = new Date();
 273                 d.setTime(d.getTime() + (lifetime * 1000));
 274         }
 275
 276         console.log("setCookie: " + name + " => " + value + ": " + d);
 277
 278         int_setCookie(name, value, d, path, domain, secure);
 279
 280 }
 281
 282 function int_setCookie(name, value, expires, path, domain, secure) {
 283         document.cookie= name + "=" + escape(value) +
 284                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 285                 ((path) ? "; path=" + path : "") +
 286                 ((domain) ? "; domain=" + domain : "") +
 287                 ((secure) ? "; secure" : "");
 288 }
 289
 290 function delCookie(name, path, domain) {
 291         if (getCookie(name)) {
 292                 document.cookie = name + "=" +
 293                 ((path) ? ";path=" + path : "") +
 294                 ((domain) ? ";domain=" + domain : "" ) +
 295                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 296         }
 297 }
 298
 299
 300 function getCookie(name) {
 301
 302         var dc = document.cookie;
 303         var prefix = name + "=";
 304         var begin = dc.indexOf("; " + prefix);
 305         if (begin == -1) {
 306             begin = dc.indexOf(prefix);
 307             if (begin != 0) return null;
 308         }
 309         else {
 310             begin += 2;
 311         }
 312         var end = document.cookie.indexOf(";", begin);
 313         if (end == -1) {
 314             end = dc.length;
 315         }
 316         return unescape(dc.substring(begin + prefix.length, end));
 317 }
 318
 319 function gotoPreferences() {
 320         document.location.href = "prefs.php";
 321 }
 322
 323 function gotoLogout() {
 324         document.location.href = "backend.php?op=logout";
 325 }
 326
 327 function gotoMain() {
 328         document.location.href = "index.php";
 329 }
 330
 331 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 332   * * @author Sundar Dorai-Raj
 333   * * Email: sdoraira@vt.edu
 334   * * This program is free software; you can redistribute it and/or
 335   * * modify it under the terms of the GNU General Public License
 336   * * as published by the Free Software Foundation; either version 2
 337   * * of the License, or (at your option) any later version,
 338   * * provided that any use properly credits the author.
 339   * * This program is distributed in the hope that it will be useful,
 340   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 341   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 342   * * GNU General Public License for more details at http://www.gnu.org * * */
 343
 344   var numbers=".0123456789";
 345   function isNumeric(x) {
 346     // is x a String or a character?
 347     if(x.length>1) {
 348       // remove negative sign
 349       x=Math.abs(x)+"";
 350       for(var j=0;j<x.length;j++) {
 351         // call isNumeric recursively for each character
 352         number=isNumeric(x.substring(j,j+1));
 353         if(!number) return number;
 354       }
 355       return number;
 356     }
 357     else {
 358       // if x is number return true
 359       if(numbers.indexOf(x)>=0) return true;
 360       return false;
 361     }
 362   }
 363
 364
 365 function toggleSelectRowById(sender, id) {
 366         var row = $(id);
 367         return toggleSelectRow(sender, row);
 368 }
 369
 370 function toggleSelectListRow(sender) {
 371         var row = sender.parentNode;
 372         return toggleSelectRow(sender, row);
 373 }
 374
 375 /* this is for dijit Checkbox */
 376 function toggleSelectListRow2(sender) {
 377         var row = sender.domNode.parentNode;
 378         return toggleSelectRow(sender, row);
 379 }
 380
 381 /* this is for dijit Checkbox */
 382 function toggleSelectRow2(sender, row, is_cdm) {
 383
 384         if (!row)
 385                 if (!is_cdm)
 386                         row = sender.domNode.parentNode.parentNode;
 387                 else
 388                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 389
 390         if (sender.checked && !row.hasClassName('Selected'))
 391                 row.addClassName('Selected');
 392         else
 393                 row.removeClassName('Selected');
 394
 395         if (typeof updateSelectedPrompt != undefined)
 396                 updateSelectedPrompt();
 397 }
 398
 399
 400 function toggleSelectRow(sender, row) {
 401
 402         if (!row) row = sender.parentNode.parentNode;
 403
 404         if (sender.checked && !row.hasClassName('Selected'))
 405                 row.addClassName('Selected');
 406         else
 407                 row.removeClassName('Selected');
 408
 409         if (typeof updateSelectedPrompt != undefined)
 410                 updateSelectedPrompt();
 411 }
 412
 413 function checkboxToggleElement(elem, id) {
 414         if (elem.checked) {
 415                 Effect.Appear(id, {duration : 0.5});
 416         } else {
 417                 Effect.Fade(id, {duration : 0.5});
 418         }
 419 }
 420
 421 function dropboxSelect(e, v) {
 422         for (var i = 0; i < e.length; i++) {
 423                 if (e[i].value == v) {
 424                         e.selectedIndex = i;
 425                         break;
 426                 }
 427         }
 428 }
 429
 430 function getURLParam(param){
 431         return String(window.location.href).parseQuery()[param];
 432 }
 433
 434 function closeInfoBox(cleanup) {
 435         try {
 436                 dialog = dijit.byId("infoBox");
 437
 438                 if (dialog)     dialog.hide();
 439
 440         } catch (e) {
 441                 //exception_error("closeInfoBox", e);
 442         }
 443         return false;
 444 }
 445
 446
 447 function displayDlg(title, id, param, callback) {
 448
 449         notify_progress("Loading, please wait...", true);
 450
 451         var query = "?op=dlg&method=" +
 452                 param_escape(id) + "&param=" + param_escape(param);
 453
 454         new Ajax.Request("backend.php", {
 455                 parameters: query,
 456                 onComplete: function (transport) {
 457                         infobox_callback2(transport, title);
 458                         if (callback) callback(transport);
 459                 } });
 460
 461         return false;
 462 }
 463
 464 function infobox_callback2(transport, title) {
 465         try {
 466                 var dialog = false;
 467
 468                 if (dijit.byId("infoBox")) {
 469                         dialog = dijit.byId("infoBox");
 470                 }
 471
 472                 //console.log("infobox_callback2");
 473                 notify('');
 474
 475                 var content = transport.responseText;
 476
 477                 if (!dialog) {
 478                         dialog = new dijit.Dialog({
 479                                 title: title,
 480                                 id: 'infoBox',
 481                                 style: "width: 600px",
 482                                 onCancel: function() {
 483                                         return true;
 484                                 },
 485                                 onExecute: function() {
 486                                         return true;
 487                                 },
 488                                 onClose: function() {
 489                                         return true;
 490                                         },
 491                                 content: content});
 492                 } else {
 493                         dialog.attr('title', title);
 494                         dialog.attr('content', content);
 495                 }
 496
 497                 dialog.show();
 498
 499                 notify("");
 500         } catch (e) {
 501                 exception_error("infobox_callback2", e);
 502         }
 503 }
 504
 505 function filterCR(e, f)
 506 {
 507      var key;
 508
 509      if(window.event)
 510           key = window.event.keyCode;     //IE
 511      else
 512           key = e.which;     //firefox
 513
 514         if (key == 13) {
 515                 if (typeof f != 'undefined') {
 516                         f();
 517                         return false;
 518                 } else {
 519                         return false;
 520                 }
 521         } else {
 522                 return true;
 523         }
 524 }
 525
 526 function getInitParam(key) {
 527         return init_params[key];
 528 }
 529
 530 function setInitParam(key, value) {
 531         init_params[key] = value;
 532 }
 533
 534 function fatalError(code, msg, ext_info) {
 535         try {
 536
 537                 if (code == 6) {
 538                         window.location.href = "index.php";
 539                 } else if (code == 5) {
 540                         window.location.href = "public.php?op=dbupdate";
 541                 } else {
 542
 543                         if (msg == "") msg = "Unknown error";
 544
 545                         if (ext_info) {
 546                                 if (ext_info.responseText) {
 547                                         ext_info = ext_info.responseText;
 548                                 }
 549                         }
 550
 551                         if (ERRORS && ERRORS[code] && !msg) {
 552                                 msg = ERRORS[code];
 553                         }
 554
 555                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 556                                 "<p>" + msg + "</p>";
 557
 558                         if (ext_info) {
 559                                 content = content + "<div><b>Additional information:</b></div>" +
 560                                         "<textarea style='width: 100%' readonly=\"1\">" +
 561                                         ext_info + "</textarea>";
 562                         }
 563
 564                         var dialog = new dijit.Dialog({
 565                                 title: "Fatal error",
 566                                 style: "width: 600px",
 567                                 content: content});
 568
 569                         dialog.show();
 570
 571                 }
 572
 573                 return false;
 574
 575         } catch (e) {
 576                 exception_error("fatalError", e);
 577         }
 578 }
 579
 580 function filterDlgCheckAction(sender) {
 581
 582         try {
 583
 584                 var action = sender.value;
 585
 586                 var action_param = $("filterDlg_paramBox");
 587
 588                 if (!action_param) {
 589                         console.log("filterDlgCheckAction: can't find action param box!");
 590                         return;
 591                 }
 592
 593                 // if selected action supports parameters, enable params field
 594                 if (action == 4 || action == 6 || action == 7) {
 595                         new Effect.Appear(action_param, {duration : 0.5});
 596                         if (action != 7) {
 597                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 598                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 599                         } else {
 600                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 601                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 602                         }
 603                 } else {
 604                         Element.hide(action_param);
 605                 }
 606
 607         } catch (e) {
 608                 exception_error("filterDlgCheckAction", e);
 609         }
 610
 611 }
 612
 613
 614 function explainError(code) {
 615         return displayDlg(__("Error explained"), "explainError", code);
 616 }
 617
 618 function loading_set_progress(p) {
 619         try {
 620                 loading_progress += p;
 621
 622                 if (dijit.byId("loading_bar"))
 623                         dijit.byId("loading_bar").update({progress: loading_progress});
 624
 625                 if (loading_progress >= 90)
 626                         remove_splash();
 627
 628         } catch (e) {
 629                 exception_error("loading_set_progress", e);
 630         }
 631 }
 632
 633 function remove_splash() {
 634
 635         if (Element.visible("overlay")) {
 636                 console.log("about to remove splash, OMG!");
 637                 Element.hide("overlay");
 638                 console.log("removed splash!");
 639         }
 640 }
 641
 642 function transport_error_check(transport) {
 643         try {
 644                 if (transport.responseXML) {
 645                         var error = transport.responseXML.getElementsByTagName("error")[0];
 646
 647                         if (error) {
 648                                 var code = error.getAttribute("error-code");
 649                                 var msg = error.getAttribute("error-msg");
 650                                 if (code != 0) {
 651                                         fatalError(code, msg);
 652                                         return false;
 653                                 }
 654                         }
 655                 }
 656         } catch (e) {
 657                 exception_error("check_for_error_xml", e);
 658         }
 659         return true;
 660 }
 661
 662 function strip_tags(s) {
 663         return s.replace(/<\/?[^>]+(>|$)/g, "");
 664 }
 665
 666 function truncate_string(s, length) {
 667         if (!length) length = 30;
 668         var tmp = s.substring(0, length);
 669         if (s.length > length) tmp += "&hellip;";
 670         return tmp;
 671 }
 672
 673 function hotkey_prefix_timeout() {
 674         try {
 675
 676                 var date = new Date();
 677                 var ts = Math.round(date.getTime() / 1000);
 678
 679                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 680                         console.log("hotkey_prefix seems to be stuck, aborting");
 681                         hotkey_prefix_pressed = false;
 682                         hotkey_prefix = false;
 683                         Element.hide('cmdline');
 684                 }
 685
 686                 setTimeout("hotkey_prefix_timeout()", 1000);
 687
 688         } catch  (e) {
 689                 exception_error("hotkey_prefix_timeout", e);
 690         }
 691 }
 692
 693 function uploadIconHandler(rc) {
 694         try {
 695                 switch (rc) {
 696                         case 0:
 697                                 notify_info("Upload complete.");
 698                                 if (inPreferences()) {
 699                                         updateFeedList();
 700                                 } else {
 701                                         setTimeout('updateFeedList(false, false)', 50);
 702                                 }
 703                                 break;
 704                         case 1:
 705                                 notify_error("Upload failed: icon is too big.");
 706                                 break;
 707                         case 2:
 708                                 notify_error("Upload failed.");
 709                                 break;
 710                 }
 711
 712         } catch (e) {
 713                 exception_error("uploadIconHandler", e);
 714         }
 715 }
 716
 717 function removeFeedIcon(id) {
 718
 719         try {
 720
 721                 if (confirm(__("Remove stored feed icon?"))) {
 722                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 723
 724                         console.log(query);
 725
 726                         notify_progress("Removing feed icon...", true);
 727
 728                         new Ajax.Request("backend.php", {
 729                                 parameters: query,
 730                                 onComplete: function(transport) {
 731                                         notify_info("Feed icon removed.");
 732                                         if (inPreferences()) {
 733                                                 updateFeedList();
 734                                         } else {
 735                                                 setTimeout('updateFeedList(false, false)', 50);
 736                                         }
 737                                 } });
 738                 }
 739
 740                 return false;
 741         } catch (e) {
 742                 exception_error("removeFeedIcon", e);
 743         }
 744 }
 745
 746 function uploadFeedIcon() {
 747
 748         try {
 749
 750                 var file = $("icon_file");
 751
 752                 if (file.value.length == 0) {
 753                         alert(__("Please select an image file to upload."));
 754                 } else {
 755                         if (confirm(__("Upload new icon for this feed?"))) {
 756                                 notify_progress("Uploading, please wait...", true);
 757                                 return true;
 758                         }
 759                 }
 760
 761                 return false;
 762
 763         } catch (e) {
 764                 exception_error("uploadFeedIcon", e);
 765         }
 766 }
 767
 768 function addLabel(select, callback) {
 769
 770         try {
 771
 772                 var caption = prompt(__("Please enter label caption:"), "");
 773
 774                 if (caption != undefined) {
 775
 776                         if (caption == "") {
 777                                 alert(__("Can't create label: missing caption."));
 778                                 return false;
 779                         }
 780
 781                         var query = "?op=pref-labels&method=add&caption=" +
 782                                 param_escape(caption);
 783
 784                         if (select)
 785                                 query += "&output=select";
 786
 787                         notify_progress("Loading, please wait...", true);
 788
 789                         if (inPreferences() && !select) active_tab = "labelConfig";
 790
 791                         new Ajax.Request("backend.php", {
 792                                 parameters: query,
 793                                 onComplete: function(transport) {
 794                                         if (callback) {
 795                                                 callback(transport);
 796                                         } else if (inPreferences()) {
 797                                                 updateLabelList();
 798                                         } else {
 799                                                 updateFeedList();
 800                                         }
 801                         } });
 802
 803                 }
 804
 805         } catch (e) {
 806                 exception_error("addLabel", e);
 807         }
 808 }
 809
 810 function quickAddFeed() {
 811         try {
 812                 var query = "backend.php?op=feeds&method=quickAddFeed";
 813
 814                 // overlapping widgets
 815                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 816                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 817
 818                 var dialog = new dijit.Dialog({
 819                         id: "feedAddDlg",
 820                         title: __("Subscribe to Feed"),
 821                         style: "width: 600px",
 822                         execute: function() {
 823                                 if (this.validate()) {
 824                                         console.log(dojo.objectToQuery(this.attr('value')));
 825
 826                                         var feed_url = this.attr('value').feed;
 827
 828                                         Element.show("feed_add_spinner");
 829
 830                                         new Ajax.Request("backend.php", {
 831                                                 parameters: dojo.objectToQuery(this.attr('value')),
 832                                                 onComplete: function(transport) {
 833                                                         try {
 834
 835                                                                 try {
 836                                                                         var reply = JSON.parse(transport.responseText);
 837                                                                 } catch (e) {
 838                                                                         Element.hide("feed_add_spinner");
 839                                                                         alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
 840                                                                         console.log('quickAddFeed, backend returned:' + transport.responseText);
 841                                                                         return;
 842                                                                 }
 843
 844                                                                 var rc = reply['result'];
 845
 846                                                                 notify('');
 847                                                                 Element.hide("feed_add_spinner");
 848
 849                                                                 console.log(rc);
 850
 851                                                                 switch (parseInt(rc['code'])) {
 852                                                                 case 1:
 853                                                                         dialog.hide();
 854                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 855
 856                                                                         updateFeedList();
 857                                                                         break;
 858                                                                 case 2:
 859                                                                         alert(__("Specified URL seems to be invalid."));
 860                                                                         break;
 861                                                                 case 3:
 862                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 863                                                                         break;
 864                                                                 case 4:
 865                                                                         feeds = rc['feeds'];
 866
 867                                                                         Element.show("fadd_multiple_notify");
 868
 869                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 870
 871                                                                         while (select.getOptions().length > 0)
 872                                                                                 select.removeOption(0);
 873
 874                                                                         select.addOption({value: '', label: __("Expand to select feed")});
 875
 876                                                                         var count = 0;
 877                                                                         for (var feedUrl in feeds) {
 878                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 879                                                                                 count++;
 880                                                                         }
 881
 882                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 883
 884                                                                         break;
 885                                                                 case 5:
 886                                                                         alert(__("Couldn't download the specified URL: %s").
 887                                                                                         replace("%s", rc['message']));
 888                                                                         break;
 889                                                                 case 6:
 890                                                                         alert(__("XML validation failed: %s").
 891                                                                                         replace("%s", rc['message']));
 892                                                                         break;
 893                                                                         break;
 894                                                                 case 0:
 895                                                                         alert(__("You are already subscribed to this feed."));
 896                                                                         break;
 897                                                                 }
 898
 899                                                         } catch (e) {
 900                                                                 exception_error("subscribeToFeed", e, transport);
 901                                                         }
 902
 903                                                 } });
 904
 905                                         }
 906                         },
 907                         href: query});
 908
 909                 dialog.show();
 910         } catch (e) {
 911                 exception_error("quickAddFeed", e);
 912         }
 913 }
 914
 915 function createNewRuleElement(parentNode, replaceNode) {
 916         try {
 917                 var form = document.forms["filter_new_rule_form"];
 918
 919                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 920
 921                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 922                         param_escape(dojo.formToJson(form));
 923
 924                 console.log(query);
 925
 926                 new Ajax.Request("backend.php", {
 927                         parameters: query,
 928                         onComplete: function (transport) {
 929                                 try {
 930                                         var li = dojo.create("li");
 931
 932                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 933
 934                                         new dijit.form.CheckBox({
 935                                                 onChange: function() {
 936                                                         toggleSelectListRow2(this) },
 937                                         }, cb);
 938
 939                                         dojo.create("input", { type: "hidden",
 940                                                 name: "rule[]",
 941                                                 value: dojo.formToJson(form) }, li);
 942
 943                                         dojo.create("span", {
 944                                                 onclick: function() {
 945                                                         dijit.byId('filterEditDlg').editRule(this);
 946                                                 },
 947                                                 innerHTML: transport.responseText }, li);
 948
 949                                         if (replaceNode) {
 950                                                 parentNode.replaceChild(li, replaceNode);
 951                                         } else {
 952                                                 parentNode.appendChild(li);
 953                                         }
 954                                 } catch (e) {
 955                                         exception_error("createNewRuleElement", e);
 956                                 }
 957                 } });
 958         } catch (e) {
 959                 exception_error("createNewRuleElement", e);
 960         }
 961 }
 962
 963 function createNewActionElement(parentNode, replaceNode) {
 964         try {
 965                 var form = document.forms["filter_new_action_form"];
 966
 967                 if (form.action_id.value == 7) {
 968                         form.action_param.value = form.action_param_label.value;
 969                 }
 970
 971                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
 972                         param_escape(dojo.formToJson(form));
 973
 974                 console.log(query);
 975
 976                 new Ajax.Request("backend.php", {
 977                         parameters: query,
 978                         onComplete: function (transport) {
 979                                 try {
 980                                         var li = dojo.create("li");
 981
 982                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 983
 984                                         new dijit.form.CheckBox({
 985                                                 onChange: function() {
 986                                                         toggleSelectListRow2(this) },
 987                                         }, cb);
 988
 989                                         dojo.create("input", { type: "hidden",
 990                                                 name: "action[]",
 991                                                 value: dojo.formToJson(form) }, li);
 992
 993                                         dojo.create("span", {
 994                                                 onclick: function() {
 995                                                         dijit.byId('filterEditDlg').editAction(this);
 996                                                 },
 997                                                 innerHTML: transport.responseText }, li);
 998
 999                                         if (replaceNode) {
1000                                                 parentNode.replaceChild(li, replaceNode);
1001                                         } else {
1002                                                 parentNode.appendChild(li);
1003                                         }
1004
1005                                 } catch (e) {
1006                                         exception_error("createNewActionElement", e);
1007                                 }
1008                         } });
1009         } catch (e) {
1010                 exception_error("createNewActionElement", e);
1011         }
1012 }
1013
1014
1015 function addFilterRule(replaceNode, ruleStr) {
1016         try {
1017                 if (dijit.byId("filterNewRuleDlg"))
1018                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1019
1020                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1021                         param_escape(ruleStr);
1022
1023                 var rule_dlg = new dijit.Dialog({
1024                         id: "filterNewRuleDlg",
1025                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1026                         style: "width: 600px",
1027                         execute: function() {
1028                                 if (this.validate()) {
1029                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1030                                         this.hide();
1031                                 }
1032                         },
1033                         href: query});
1034
1035                 rule_dlg.show();
1036         } catch (e) {
1037                 exception_error("addFilterRule", e);
1038         }
1039 }
1040
1041 function addFilterAction(replaceNode, actionStr) {
1042         try {
1043                 if (dijit.byId("filterNewActionDlg"))
1044                         dijit.byId("filterNewActionDlg").destroyRecursive();
1045
1046                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1047                         param_escape(actionStr);
1048
1049                 var rule_dlg = new dijit.Dialog({
1050                         id: "filterNewActionDlg",
1051                         title: actionStr ? __("Edit action") : __("Add action"),
1052                         style: "width: 600px",
1053                         execute: function() {
1054                                 if (this.validate()) {
1055                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1056                                         this.hide();
1057                                 }
1058                         },
1059                         href: query});
1060
1061                 rule_dlg.show();
1062         } catch (e) {
1063                 exception_error("addFilterAction", e);
1064         }
1065 }
1066
1067 function quickAddFilter() {
1068         try {
1069                 var query = "";
1070                 if (!inPreferences()) {
1071                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1072                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1073                                 param_escape(activeFeedIsCat());
1074                 } else {
1075                         query = "backend.php?op=pref-filters&method=newfilter";
1076                 }
1077
1078                 console.log(query);
1079
1080                 if (dijit.byId("feedEditDlg"))
1081                         dijit.byId("feedEditDlg").destroyRecursive();
1082
1083                 if (dijit.byId("filterEditDlg"))
1084                         dijit.byId("filterEditDlg").destroyRecursive();
1085
1086                 dialog = new dijit.Dialog({
1087                         id: "filterEditDlg",
1088                         title: __("Create Filter"),
1089                         style: "width: 600px",
1090                         test: function() {
1091                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1092
1093                                 if (dijit.byId("filterTestDlg"))
1094                                         dijit.byId("filterTestDlg").destroyRecursive();
1095
1096                                 var test_dlg = new dijit.Dialog({
1097                                         id: "filterTestDlg",
1098                                         title: "Test Filter",
1099                                         style: "width: 600px",
1100                                         href: query});
1101
1102                                 test_dlg.show();
1103                         },
1104                         selectRules: function(select) {
1105                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1106                                         e.checked = select;
1107                                         if (select)
1108                                                 e.parentNode.addClassName("Selected");
1109                                         else
1110                                                 e.parentNode.removeClassName("Selected");
1111                                 });
1112                         },
1113                         selectActions: function(select) {
1114                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1115                                         e.checked = select;
1116
1117                                         if (select)
1118                                                 e.parentNode.addClassName("Selected");
1119                                         else
1120                                                 e.parentNode.removeClassName("Selected");
1121
1122                                 });
1123                         },
1124                         editRule: function(e) {
1125                                 var li = e.parentNode;
1126                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1127                                 addFilterRule(li, rule);
1128                         },
1129                         editAction: function(e) {
1130                                 var li = e.parentNode;
1131                                 var action = li.getElementsByTagName("INPUT")[1].value;
1132                                 addFilterAction(li, action);
1133                         },
1134                         addAction: function() { addFilterAction(); },
1135                         addRule: function() { addFilterRule(); },
1136                         deleteAction: function() {
1137                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1138                         },
1139                         deleteRule: function() {
1140                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1141                         },
1142                         execute: function() {
1143                                 if (this.validate()) {
1144
1145                                         var query = dojo.formToQuery("filter_new_form");
1146
1147                                         console.log(query);
1148
1149                                         new Ajax.Request("backend.php", {
1150                                                 parameters: query,
1151                                                 onComplete: function (transport) {
1152                                                         if (inPreferences()) {
1153                                                                 updateFilterList();
1154                                                         }
1155
1156                                                         dialog.hide();
1157                                         } });
1158                                 }
1159                         },
1160                         href: query});
1161
1162                 if (!inPreferences()) {
1163                         var selectedText = getSelectionText();
1164
1165                         var lh = dojo.connect(dialog, "onLoad", function(){
1166                                 dojo.disconnect(lh);
1167
1168                                 if (selectedText != "") {
1169
1170                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1171                                                 getActiveFeedId();
1172
1173                                         var rule = { reg_exp: selectedText, feed_id: feed_id, filter_type: 1 };
1174
1175                                         addFilterRule(null, dojo.toJson(rule));
1176
1177                                 } else {
1178
1179                                         var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1180
1181                                         new Ajax.Request("backend.php", {
1182                                         parameters: query,
1183                                         onComplete: function(transport) {
1184                                                 var reply = JSON.parse(transport.responseText);
1185
1186                                                 var title = false;
1187
1188                                                 if (reply && reply) title = reply.title;
1189
1190                                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1191
1192                                                         console.log(title + " " + getActiveFeedId());
1193
1194                                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1195                                                                 getActiveFeedId();
1196
1197                                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1198
1199                                                         addFilterRule(null, dojo.toJson(rule));
1200                                                 }
1201
1202                                         } });
1203
1204                                 }
1205
1206                         });
1207                 }
1208
1209                 dialog.show();
1210
1211         } catch (e) {
1212                 exception_error("quickAddFilter", e);
1213         }
1214 }
1215
1216 function resetPubSub(feed_id, title) {
1217
1218         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1219
1220         if (title == undefined || confirm(msg)) {
1221                 notify_progress("Loading, please wait...");
1222
1223                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1224
1225                 new Ajax.Request("backend.php", {
1226                         parameters: query,
1227                         onComplete: function(transport) {
1228                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1229                                 notify_info("Subscription reset.");
1230                         } });
1231         }
1232
1233         return false;
1234 }
1235
1236
1237 function unsubscribeFeed(feed_id, title) {
1238
1239         var msg = __("Unsubscribe from %s?").replace("%s", title);
1240
1241         if (title == undefined || confirm(msg)) {
1242                 notify_progress("Removing feed...");
1243
1244                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1245
1246                 new Ajax.Request("backend.php", {
1247                         parameters: query,
1248                         onComplete: function(transport) {
1249
1250                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1251
1252                                         if (inPreferences()) {
1253                                                 updateFeedList();
1254                                         } else {
1255                                                 if (feed_id == getActiveFeedId())
1256                                                         setTimeout("viewfeed(-5)", 100);
1257
1258                                                 if (feed_id < 0) updateFeedList();
1259                                         }
1260
1261                                 } });
1262         }
1263
1264         return false;
1265 }
1266
1267
1268 function backend_sanity_check_callback(transport) {
1269
1270         try {
1271
1272                 if (sanity_check_done) {
1273                         fatalError(11, "Sanity check request received twice. This can indicate "+
1274                       "presence of Firebug or some other disrupting extension. "+
1275                                 "Please disable it and try again.");
1276                         return;
1277                 }
1278
1279                 var reply = JSON.parse(transport.responseText);
1280
1281                 if (!reply) {
1282                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1283                         return;
1284                 }
1285
1286                 var error_code = reply['error']['code'];
1287
1288                 if (error_code && error_code != 0) {
1289                         return fatalError(error_code, reply['error']['message']);
1290                 }
1291
1292                 console.log("sanity check ok");
1293
1294                 var params = reply['init-params'];
1295
1296                 if (params) {
1297                         console.log('reading init-params...');
1298
1299                         for (k in params) {
1300                                 console.log("IP: " + k + " => " + JSON.stringify(params[k]));
1301                                 if (k == "label_base_index") _label_base_index = parseInt(params[k]);
1302                         }
1303
1304                         init_params = params;
1305
1306                         // PluginHost might not be available on non-index pages
1307                         window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1308                 }
1309
1310                 sanity_check_done = true;
1311
1312                 init_second_stage();
1313
1314         } catch (e) {
1315                 exception_error("backend_sanity_check_callback", e, transport);
1316         }
1317 }
1318
1319 /*function has_local_storage() {
1320         try {
1321                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1322         } catch (e) {
1323                 return false;
1324         }
1325 } */
1326
1327 function catSelectOnChange(elem) {
1328         try {
1329 /*              var value = elem[elem.selectedIndex].value;
1330                 var def = elem.getAttribute('default');
1331
1332                 if (value == "ADD_CAT") {
1333
1334                         if (def)
1335                                 dropboxSelect(elem, def);
1336                         else
1337                                 elem.selectedIndex = 0;
1338
1339                         quickAddCat(elem);
1340                 } */
1341
1342         } catch (e) {
1343                 exception_error("catSelectOnChange", e);
1344         }
1345 }
1346
1347 function quickAddCat(elem) {
1348         try {
1349                 var cat = prompt(__("Please enter category title:"));
1350
1351                 if (cat) {
1352
1353                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1354
1355                         notify_progress("Loading, please wait...", true);
1356
1357                         new Ajax.Request("backend.php", {
1358                                 parameters: query,
1359                                 onComplete: function (transport) {
1360                                         var response = transport.responseXML;
1361                                         var select = response.getElementsByTagName("select")[0];
1362                                         var options = select.getElementsByTagName("option");
1363
1364                                         dropbox_replace_options(elem, options);
1365
1366                                         notify('');
1367
1368                         } });
1369
1370                 }
1371
1372         } catch (e) {
1373                 exception_error("quickAddCat", e);
1374         }
1375 }
1376
1377 function genUrlChangeKey(feed, is_cat) {
1378
1379         try {
1380                 var ok = confirm(__("Generate new syndication address for this feed?"));
1381
1382                 if (ok) {
1383
1384                         notify_progress("Trying to change address...", true);
1385
1386                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1387                                 "&is_cat=" + param_escape(is_cat);
1388
1389                         new Ajax.Request("backend.php", {
1390                                 parameters: query,
1391                                 onComplete: function(transport) {
1392                                                 var reply = JSON.parse(transport.responseText);
1393                                                 var new_link = reply.link;
1394
1395                                                 var e = $('gen_feed_url');
1396
1397                                                 if (new_link) {
1398
1399                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1400                                                                 "&amp;key=" + new_link);
1401
1402                                                         e.href = e.href.replace(/\&key=.*$/,
1403                                                                 "&key=" + new_link);
1404
1405                                                         new Effect.Highlight(e);
1406
1407                                                         notify('');
1408
1409                                                 } else {
1410                                                         notify_error("Could not change feed URL.");
1411                                                 }
1412                                 } });
1413                 }
1414         } catch (e) {
1415                 exception_error("genUrlChangeKey", e);
1416         }
1417         return false;
1418 }
1419
1420 function labelSelectOnChange(elem) {
1421         try {
1422 /*              var value = elem[elem.selectedIndex].value;
1423                 var def = elem.getAttribute('default');
1424
1425                 if (value == "ADD_LABEL") {
1426
1427                         if (def)
1428                                 dropboxSelect(elem, def);
1429                         else
1430                                 elem.selectedIndex = 0;
1431
1432                         addLabel(elem, function(transport) {
1433
1434                                         try {
1435
1436                                                 var response = transport.responseXML;
1437                                                 var select = response.getElementsByTagName("select")[0];
1438                                                 var options = select.getElementsByTagName("option");
1439
1440                                                 dropbox_replace_options(elem, options);
1441
1442                                                 notify('');
1443                                         } catch (e) {
1444                                                 exception_error("addLabel", e);
1445                                         }
1446                         });
1447                 } */
1448
1449         } catch (e) {
1450                 exception_error("labelSelectOnChange", e);
1451         }
1452 }
1453
1454 function dropbox_replace_options(elem, options) {
1455
1456         try {
1457                 while (elem.hasChildNodes())
1458                         elem.removeChild(elem.firstChild);
1459
1460                 var sel_idx = -1;
1461
1462                 for (var i = 0; i < options.length; i++) {
1463                         var text = options[i].firstChild.nodeValue;
1464                         var value = options[i].getAttribute("value");
1465
1466                         if (value == undefined) value = text;
1467
1468                         var issel = options[i].getAttribute("selected") == "1";
1469
1470                         var option = new Option(text, value, issel);
1471
1472                         if (options[i].getAttribute("disabled"))
1473                                 option.setAttribute("disabled", true);
1474
1475                         elem.insert(option);
1476
1477                         if (issel) sel_idx = i;
1478                 }
1479
1480                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1481                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1482
1483         } catch (e) {
1484                 exception_error("dropbox_replace_options", e);
1485         }
1486 }
1487
1488 // mode = all, none, invert
1489 function selectTableRows(id, mode) {
1490         try {
1491                 var rows = $(id).rows;
1492
1493                 for (var i = 0; i < rows.length; i++) {
1494                         var row = rows[i];
1495                         var cb = false;
1496                         var dcb = false;
1497
1498                         if (row.id && row.className) {
1499                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1500                                 var inputs = rows[i].getElementsByTagName("input");
1501
1502                                 for (var j = 0; j < inputs.length; j++) {
1503                                         var input = inputs[j];
1504
1505                                         if (input.getAttribute("type") == "checkbox" &&
1506                                                         input.id.match(bare_id)) {
1507
1508                                                 cb = input;
1509                                                 dcb = dijit.getEnclosingWidget(cb);
1510                                                 break;
1511                                         }
1512                                 }
1513
1514                                 if (cb || dcb) {
1515                                         var issel = row.hasClassName("Selected");
1516
1517                                         if (mode == "all" && !issel) {
1518                                                 row.addClassName("Selected");
1519                                                 cb.checked = true;
1520                                                 if (dcb) dcb.set("checked", true);
1521                                         } else if (mode == "none" && issel) {
1522                                                 row.removeClassName("Selected");
1523                                                 cb.checked = false;
1524                                                 if (dcb) dcb.set("checked", false);
1525
1526                                         } else if (mode == "invert") {
1527
1528                                                 if (issel) {
1529                                                         row.removeClassName("Selected");
1530                                                         cb.checked = false;
1531                                                         if (dcb) dcb.set("checked", false);
1532                                                 } else {
1533                                                         row.addClassName("Selected");
1534                                                         cb.checked = true;
1535                                                         if (dcb) dcb.set("checked", true);
1536                                                 }
1537                                         }
1538                                 }
1539                         }
1540                 }
1541
1542         } catch (e) {
1543                 exception_error("selectTableRows", e);
1544
1545         }
1546 }
1547
1548 function getSelectedTableRowIds(id) {
1549         var rows = [];
1550
1551         try {
1552                 var elem_rows = $(id).rows;
1553
1554                 for (var i = 0; i < elem_rows.length; i++) {
1555                         if (elem_rows[i].hasClassName("Selected")) {
1556                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1557                                 rows.push(bare_id);
1558                         }
1559                 }
1560
1561         } catch (e) {
1562                 exception_error("getSelectedTableRowIds", e);
1563         }
1564
1565         return rows;
1566 }
1567
1568 function editFeed(feed, event) {
1569         try {
1570                 if (feed <= 0)
1571                         return alert(__("You can't edit this kind of feed."));
1572
1573                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1574                         param_escape(feed);
1575
1576                 console.log(query);
1577
1578                 if (dijit.byId("filterEditDlg"))
1579                         dijit.byId("filterEditDlg").destroyRecursive();
1580
1581                 if (dijit.byId("feedEditDlg"))
1582                         dijit.byId("feedEditDlg").destroyRecursive();
1583
1584                 dialog = new dijit.Dialog({
1585                         id: "feedEditDlg",
1586                         title: __("Edit Feed"),
1587                         style: "width: 600px",
1588                         execute: function() {
1589                                 if (this.validate()) {
1590 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1591
1592                                         notify_progress("Saving data...", true);
1593
1594                                         new Ajax.Request("backend.php", {
1595                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1596                                                 onComplete: function(transport) {
1597                                                         dialog.hide();
1598                                                         notify('');
1599                                                         updateFeedList();
1600                                         }});
1601                                 }
1602                         },
1603                         href: query});
1604
1605                 dialog.show();
1606
1607         } catch (e) {
1608                 exception_error("editFeed", e);
1609         }
1610 }
1611
1612 function feedBrowser() {
1613         try {
1614                 var query = "backend.php?op=feeds&method=feedBrowser";
1615
1616                 if (dijit.byId("feedAddDlg"))
1617                         dijit.byId("feedAddDlg").hide();
1618
1619                 if (dijit.byId("feedBrowserDlg"))
1620                         dijit.byId("feedBrowserDlg").destroyRecursive();
1621
1622                 var dialog = new dijit.Dialog({
1623                         id: "feedBrowserDlg",
1624                         title: __("More Feeds"),
1625                         style: "width: 600px",
1626                         getSelectedFeedIds: function() {
1627                                 var list = $$("#browseFeedList li[id*=FBROW]");
1628                                 var selected = new Array();
1629
1630                                 list.each(function(child) {
1631                                         var id = child.id.replace("FBROW-", "");
1632
1633                                         if (child.hasClassName('Selected')) {
1634                                                 selected.push(id);
1635                                         }
1636                                 });
1637
1638                                 return selected;
1639                         },
1640                         getSelectedFeeds: function() {
1641                                 var list = $$("#browseFeedList li.Selected");
1642                                 var selected = new Array();
1643
1644                                 list.each(function(child) {
1645                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1646                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1647
1648                                         selected.push([title,url]);
1649
1650                                 });
1651
1652                                 return selected;
1653                         },
1654
1655                         subscribe: function() {
1656                                 var mode = this.attr('value').mode;
1657                                 var selected = [];
1658
1659                                 if (mode == "1")
1660                                         selected = this.getSelectedFeeds();
1661                                 else
1662                                         selected = this.getSelectedFeedIds();
1663
1664                                 if (selected.length > 0) {
1665                                         dijit.byId("feedBrowserDlg").hide();
1666
1667                                         notify_progress("Loading, please wait...", true);
1668
1669                                         // we use dojo.toJson instead of JSON.stringify because
1670                                         // it somehow escapes everything TWICE, at least in Chrome 9
1671
1672                                         var query = "?op=rpc&method=massSubscribe&payload="+
1673                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1674
1675                                         console.log(query);
1676
1677                                         new Ajax.Request("backend.php", {
1678                                                 parameters: query,
1679                                                 onComplete: function(transport) {
1680                                                         notify('');
1681                                                         updateFeedList();
1682                                                 } });
1683
1684                                 } else {
1685                                         alert(__("No feeds are selected."));
1686                                 }
1687
1688                         },
1689                         update: function() {
1690                                 var query = dojo.objectToQuery(dialog.attr('value'));
1691
1692                                 Element.show('feed_browser_spinner');
1693
1694                                 new Ajax.Request("backend.php", {
1695                                         parameters: query,
1696                                         onComplete: function(transport) {
1697                                                 notify('');
1698
1699                                                 Element.hide('feed_browser_spinner');
1700
1701                                                 var c = $("browseFeedList");
1702
1703                                                 var reply = JSON.parse(transport.responseText);
1704
1705                                                 var r = reply['content'];
1706                                                 var mode = reply['mode'];
1707
1708                                                 if (c && r) {
1709                                                         c.innerHTML = r;
1710                                                 }
1711
1712                                                 dojo.parser.parse("browseFeedList");
1713
1714                                                 if (mode == 2) {
1715                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1716                                                 } else {
1717                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1718                                                 }
1719
1720                                         } });
1721                         },
1722                         removeFromArchive: function() {
1723                                 var selected = this.getSelectedFeedIds();
1724
1725                                 if (selected.length > 0) {
1726
1727                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1728
1729                                         if (confirm(pr)) {
1730                                                 Element.show('feed_browser_spinner');
1731
1732                                                 var query = "?op=rpc&method=remarchive&ids=" +
1733                                                         param_escape(selected.toString());;
1734
1735                                                 new Ajax.Request("backend.php", {
1736                                                         parameters: query,
1737                                                         onComplete: function(transport) {
1738                                                                 dialog.update();
1739                                                         } });
1740                                         }
1741                                 }
1742                         },
1743                         execute: function() {
1744                                 if (this.validate()) {
1745                                         this.subscribe();
1746                                 }
1747                         },
1748                         href: query});
1749
1750                 dialog.show();
1751
1752         } catch (e) {
1753                 exception_error("editFeed", e);
1754         }
1755 }
1756
1757 function showFeedsWithErrors() {
1758         try {
1759                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1760
1761                 if (dijit.byId("errorFeedsDlg"))
1762                         dijit.byId("errorFeedsDlg").destroyRecursive();
1763
1764                 dialog = new dijit.Dialog({
1765                         id: "errorFeedsDlg",
1766                         title: __("Feeds with update errors"),
1767                         style: "width: 600px",
1768                         getSelectedFeeds: function() {
1769                                 return getSelectedTableRowIds("prefErrorFeedList");
1770                         },
1771                         removeSelected: function() {
1772                                 var sel_rows = this.getSelectedFeeds();
1773
1774                                 console.log(sel_rows);
1775
1776                                 if (sel_rows.length > 0) {
1777                                         var ok = confirm(__("Remove selected feeds?"));
1778
1779                                         if (ok) {
1780                                                 notify_progress("Removing selected feeds...", true);
1781
1782                                                 var query = "?op=pref-feeds&method=remove&ids="+
1783                                                         param_escape(sel_rows.toString());
1784
1785                                                 new Ajax.Request("backend.php", {
1786                                                         parameters: query,
1787                                                         onComplete: function(transport) {
1788                                                                 notify('');
1789                                                                 dialog.hide();
1790                                                                 updateFeedList();
1791                                                         } });
1792                                         }
1793
1794                                 } else {
1795                                         alert(__("No feeds are selected."));
1796                                 }
1797                         },
1798                         execute: function() {
1799                                 if (this.validate()) {
1800                                 }
1801                         },
1802                         href: query});
1803
1804                 dialog.show();
1805
1806         } catch (e) {
1807                 exception_error("showFeedsWithErrors", e);
1808         }
1809
1810 }
1811
1812 /* new support functions for SelectByTag */
1813
1814 function get_all_tags(selObj){
1815         try {
1816                 if( !selObj ) return "";
1817
1818                 var result = "";
1819                 var len = selObj.options.length;
1820
1821                 for (var i=0; i < len; i++){
1822                         if (selObj.options[i].selected) {
1823                                 result += selObj[i].value + "%2C";   // is really a comma
1824                         }
1825                 }
1826
1827                 if (result.length > 0){
1828                         result = result.substr(0, result.length-3);  // remove trailing %2C
1829                 }
1830
1831                 return(result);
1832
1833         } catch (e) {
1834                 exception_error("get_all_tags", e);
1835         }
1836 }
1837
1838 function get_radio_checked(radioObj) {
1839         try {
1840                 if (!radioObj) return "";
1841
1842                 var len = radioObj.length;
1843
1844                 if (len == undefined){
1845                         if(radioObj.checked){
1846                                 return(radioObj.value);
1847                         } else {
1848                                 return("");
1849                         }
1850                 }
1851
1852                 for( var i=0; i < len; i++ ){
1853                         if( radioObj[i].checked ){
1854                                 return( radioObj[i].value);
1855                         }
1856                 }
1857
1858         } catch (e) {
1859                 exception_error("get_radio_checked", e);
1860         }
1861         return("");
1862 }
1863
1864 function get_timestamp() {
1865         var date = new Date();
1866         return Math.round(date.getTime() / 1000);
1867 }
1868
1869 function helpDialog(topic) {
1870         try {
1871                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1872
1873                 if (dijit.byId("helpDlg"))
1874                         dijit.byId("helpDlg").destroyRecursive();
1875
1876                 dialog = new dijit.Dialog({
1877                         id: "helpDlg",
1878                         title: __("Help"),
1879                         style: "width: 600px",
1880                         href: query,
1881                 });
1882
1883                 dialog.show();
1884
1885         } catch (e) {
1886                 exception_error("helpDialog", e);
1887         }
1888 }
1889
1890 function htmlspecialchars_decode (string, quote_style) {
1891   // http://kevin.vanzonneveld.net
1892   // +   original by: Mirek Slugen
1893   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1894   // +   bugfixed by: Mateusz "loonquawl" Zalega
1895   // +      input by: ReverseSyntax
1896   // +      input by: Slawomir Kaniecki
1897   // +      input by: Scott Cariss
1898   // +      input by: Francois
1899   // +   bugfixed by: Onno Marsman
1900   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1901   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1902   // +      input by: Ratheous
1903   // +      input by: Mailfaker (http://www.weedem.fr/)
1904   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1905   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1906   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1907   // *     returns 1: '<p>this -> &quot;</p>'
1908   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1909   // *     returns 2: '&quot;'
1910   var optTemp = 0,
1911     i = 0,
1912     noquotes = false;
1913   if (typeof quote_style === 'undefined') {
1914     quote_style = 2;
1915   }
1916   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1917   var OPTS = {
1918     'ENT_NOQUOTES': 0,
1919     'ENT_HTML_QUOTE_SINGLE': 1,
1920     'ENT_HTML_QUOTE_DOUBLE': 2,
1921     'ENT_COMPAT': 2,
1922     'ENT_QUOTES': 3,
1923     'ENT_IGNORE': 4
1924   };
1925   if (quote_style === 0) {
1926     noquotes = true;
1927   }
1928   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1929     quote_style = [].concat(quote_style);
1930     for (i = 0; i < quote_style.length; i++) {
1931       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1932       if (OPTS[quote_style[i]] === 0) {
1933         noquotes = true;
1934       } else if (OPTS[quote_style[i]]) {
1935         optTemp = optTemp | OPTS[quote_style[i]];
1936       }
1937     }
1938     quote_style = optTemp;
1939   }
1940   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1941     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1942     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1943   }
1944   if (!noquotes) {
1945     string = string.replace(/&quot;/g, '"');
1946   }
1947   // Put this in last place to avoid escape being double-decoded
1948   string = string.replace(/&amp;/g, '&');
1949
1950   return string;
1951 }
1952
1953
1954 function label_to_feed_id(label) {
1955         return _label_base_index - 1 - Math.abs(label);
1956 }
1957
1958 function feed_to_label_id(feed) {
1959         return _label_base_index - 1 + Math.abs(feed);
1960 }
1961
1962 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1963
1964 function getSelectionText() {
1965         var text = "";
1966
1967         if (typeof window.getSelection != "undefined") {
1968                 var sel = window.getSelection();
1969                 if (sel.rangeCount) {
1970                         var container = document.createElement("div");
1971                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1972                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1973                         }
1974                         text = container.innerHTML;
1975                 }
1976         } else if (typeof document.selection != "undefined") {
1977                 if (document.selection.type == "Text") {
1978                         text = document.selection.createRange().textText;
1979                 }
1980         }
1981
1982         return text.stripTags();
1983 }